Home / 12,933.47-19,409.97-10,367.39

Finding the Fourth Proportional to 12,933.47, 19,409.97 and 10,367.39

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Solution

The fourth proportional to 12,933.47, 19,409.97 and 10,367.39 is: 15,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.47 : 19,409.97 = 10,367.39 : x
  2. Step 2: Convert to fraction form
    12,933.47/19,409.97 = 10,367.39/x
  3. Step 3: Cross multiply
    12,933.47x = 19,409.97 × 10,367.39
  4. Step 4: Simplify right side
    12,933.47x = 201,230,728.88
  5. Step 5: Solve for x
    x = 201,230,728.88/12,933.47
  6. Step 6: Final answer
    x = 15,558.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.